Laser processing device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12257648
APP PUB NO 20220203480A1
SERIAL NO

17607131

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This laser processing device is provided with a laser radiating unit which forms a processed groove extending in a scanning direction on a workpiece, by subjecting the workpiece to laser processing while scanning the surface of the workpiece, and a nozzle portion which has a plurality of ejection holes arranged side by side in the scanning direction, and which ejects a gas toward the processed groove from each of the ejection holes. With this laser processing device, since a plume is eliminated by ejecting gas into the processed groove by means of the nozzle portion, the formation of a heat affected layer by the plume can be suppressed to an even greater extent.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTD2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 1008332 ?1008332

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiya, Yasuyuki Tokyo, JP 25 36
Goya, Saneyuki Tokyo, JP 48 207
Inoue, Akiko Tokyo, JP 75 618
Komatsu, Yoshinao Tokyo, JP 17 63
Narita, Ryuichi Tokyo, JP 24 60
Shimizu, Masahiko Tokyo, JP 167 1308
Yoshida, Kazuhiro Tokyo, JP 333 2369

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